*{
    margin: 0;
    padding: 0;
    /* border: 1px solid blue; */
    box-sizing: border-box;
}
ul,ol {
    list-style: none;
}
a{
    text-decoration: none;
}
body{
    font-size: 16px;
}
img{
    display: block;
    width: 100%;
}